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Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Jan. 28, 2018	Oct. 29, 2017	Jul. 30, 2017	Apr. 30, 2017	Jan. 29, 2017	Oct. 30, 2016	Jul. 31, 2016	May 01, 2016	Jan. 28, 2018	Jan. 29, 2017	Jan. 31, 2016
Quarterly Financial Data [Abstract]
Net sales	$ 23,883	$ 25,026	$ 28,108	$ 23,887	$ 22,207	$ 23,154	$ 26,472	$ 22,762	$ 100,904	$ 94,595	$ 88,519
Gross profit	8,093	8,648	9,461	8,154	7,553	8,042	8,927	7,791	34,356	32,313	30,265
Net earnings	$ 1,779	$ 2,165	$ 2,672	$ 2,014	$ 1,744	$ 1,969	$ 2,441	$ 1,803	$ 8,630	$ 7,957	$ 7,009
Basic earnings per share	$ 1.53	$ 1.85	$ 2.26	$ 1.68	$ 1.45	$ 1.61	$ 1.98	$ 1.45	$ 7.33	$ 6.47	$ 5.49
Diluted earnings per share	$ 1.52	$ 1.84	$ 2.25	$ 1.67	$ 1.44	$ 1.60	$ 1.97	$ 1.44	$ 7.29	$ 6.45	$ 5.46

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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